Base | Representation |
---|---|
bin | 11000100011111… |
… | …11001110101100 |
3 | 112100201000112020 |
4 | 30101333032230 |
5 | 410221321103 |
6 | 32240110140 |
7 | 5051220423 |
oct | 1421771654 |
9 | 470630466 |
10 | 206042028 |
11 | a633a475 |
12 | 59005350 |
13 | 338c147a |
14 | 1d5162ba |
15 | 1314e753 |
hex | c47f3ac |
206042028 has 24 divisors (see below), whose sum is σ = 481053888. Its totient is φ = 68639376.
The previous prime is 206042021. The next prime is 206042041. The reversal of 206042028 is 820240602.
It is a junction number, because it is equal to n+sod(n) for n = 206041989 and 206042007.
It is not an unprimeable number, because it can be changed into a prime (206042021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20875 + ... + 29117.
It is an arithmetic number, because the mean of its divisors is an integer number (20043912).
Almost surely, 2206042028 is an apocalyptic number.
It is an amenable number.
206042028 is an abundant number, since it is smaller than the sum of its proper divisors (275011860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206042028 is a wasteful number, since it uses less digits than its factorization.
206042028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10333 (or 10331 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 206042028 is about 14354.1641344942. The cubic root of 206042028 is about 590.6342198499.
The spelling of 206042028 in words is "two hundred six million, forty-two thousand, twenty-eight".
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